The Figure Provided Shows a Food Web

Multiple Choice

The figure provided shows a food web.Which of the following statements is true?

A) Ten percent of the carbon dioxide fixed by grazers is used by decomposers.
B) Ten percent of the carbon dioxide fixed by primary producers is used by predators.
C) Ninety-nine percent of the carbon dioxide fixed by primary producers is lost by the second trophic level.
D) Grazers consume ten percent of the decomposers.